232390812 has 48 divisors (see below), whose sum is σ = 548989952. Its totient is φ = 76507200.

The previous prime is 232390811. The next prime is 232390813. The reversal of 232390812 is 218093232.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (232390811) and next prime (232390813).

It is a self number, because there is not a number n which added to its sum of digits gives 232390812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232390811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501693 + ... + 502155.

Almost surely, 2^232390812 is an apocalyptic number.

It is an amenable number.

232390812 is an abundant number, since it is smaller than the sum of its proper divisors (316599140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

232390812 is a wasteful number, since it uses less digits than its factorization.

232390812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898 (or 896 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 232390812 is about 15244.3698459464. The cubic root of 232390812 is about 614.8081998233.

The spelling of 232390812 in words is "two hundred thirty-two million, three hundred ninety thousand, eight hundred twelve".